2019-03-29 14:12:17 +08:00
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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2019-02-28 15:18:07 +08:00
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From: Tomas Winkler <tomas.winkler@intel.com>
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Date: Sun, 13 Jan 2019 14:24:46 +0200
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2019-03-29 14:12:17 +08:00
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Subject: [PATCH] mei: dma: silent the reject message
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2019-02-28 15:18:07 +08:00
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Not all FW versions support DMA on their first release,
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hence it is normal behavior to receive a reject response
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upon DMA setup request.
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In order to prevent confusion, the DMA setup reject message
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is printed only in debug level.
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Change-Id: I5f30343aa67c2978eca296cf4cb6ae8e418ae008
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Cc: <stable@vger.kernel.org> #v5.0+
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Tracked-On: PKT-1711
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Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/misc/mei/hbm.c | 12 +++++++++---
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1 file changed, 9 insertions(+), 3 deletions(-)
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diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
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2020-10-27 02:14:06 +08:00
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index d635f6519961..bf3e530c76a8 100644
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2019-02-28 15:18:07 +08:00
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--- a/drivers/misc/mei/hbm.c
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+++ b/drivers/misc/mei/hbm.c
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2019-03-29 14:12:17 +08:00
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@@ -1276,9 +1276,15 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr)
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2019-02-28 15:18:07 +08:00
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dma_setup_res = (struct hbm_dma_setup_response *)mei_msg;
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if (dma_setup_res->status) {
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- dev_info(dev->dev, "hbm: dma setup response: failure = %d %s\n",
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- dma_setup_res->status,
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- mei_hbm_status_str(dma_setup_res->status));
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+ u8 status = dma_setup_res->status;
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+
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+ if (status == MEI_HBMS_NOT_ALLOWED) {
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+ dev_dbg(dev->dev, "hbm: dma setup not allowed\n");
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+ } else {
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+ dev_info(dev->dev, "hbm: dma setup response: failure = %d %s\n",
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+ status,
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+ mei_hbm_status_str(status));
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+ }
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dev->hbm_f_dr_supported = 0;
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mei_dmam_ring_free(dev);
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}
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--
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2019-04-08 18:08:36 +08:00
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https://clearlinux.org
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2019-02-28 15:18:07 +08:00
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